#region Copyright(c) Anton Shelin, Vladimir Timashkov. All Rights Reserved.
// -----------------------------------------------------------------------------
// Copyright(c) 2010 Anton Shelin, Vladimir Timashkov. All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   1. No Trademark License - Microsoft Public License (Ms-PL) does not grant you rights to use
//      authors names, logos, or trademarks.
//   2. If you distribute any portion of the software, you must retain all copyright,
//      patent, trademark, and attribution notices that are present in the software.
//   3. If you distribute any portion of the software in source code form, you may do
//      so only under this license by including a complete copy of Microsoft Public License (Ms-PL)
//      with your distribution. If you distribute any portion of the software in compiled
//      or object code form, you may only do so under a license that complies with
//      Microsoft Public License (Ms-PL).
//   4. The names of the authors may not be used to endorse or promote products
//      derived from this software without specific prior written permission.
//
// The software is licensed "as-is." You bear the risk of using it. The authors
// give no express warranties, guarantees or conditions. You may have additional consumer
// rights under your local laws which this license cannot change. To the extent permitted
// under your local laws, the authors exclude the implied warranties of merchantability,
// fitness for a particular purpose and non-infringement.
// -----------------------------------------------------------------------------
#endregion

using SharpDom.Attributes;

namespace SharpDom
{
    /// <summary>The name of the target into which ther render will be done</summary>
    public class Target : AttributeValue<string>
    {
        /// <summary>Closed constructor</summary>
        private Target() {}

        /// <summary>Converts string to TARGET</summary>
        /// <param name="value">String to convert</param>
        /// <returns>Created header name</returns>
        public static implicit operator Target(string value)
        {
            if (string.IsNullOrEmpty(value)) return null;
            return new Target { BaseValue = value };
        }

        /// <summary>It opens the new document in a new window.</summary>
        public static Target blank { get { return new Target { BaseValue = "_blank" }; } }
        /// <summary>It puts the new document in the same window and frame as the current document.
        /// It works the same as if you had not used TARGET at all.</summary>
        public static Target self { get { return new Target { BaseValue = "_self" }; } }
        /// <summary>It is used in the situation where a frameset file is nested inside another
        /// frameset file. A link in one  of the inner frameset documents which uses "_parent" will
        /// load the new document where the inner frameset file had been.</summary>
        public static Target parent { get { return new Target { BaseValue = "_parent" }; } }
        /// <summary>It loads the linked document in the topmost frame... that is, 
        /// the new page fills the entire window.</summary>
        public static Target top { get { return new Target { BaseValue = "_top" }; } }
    }
}